“赠送的”用英语怎么说？

女侍者端来几杯饭店赠送的用来庆祝的香槟。The waitress brings over some congratulatory glasses of champagne, courtesy of the restaurant.每位客人都收到一盒赠送的巧克力.Each guest received the staff on their efficient service.据我所知, 这些票是免费赠送的.As far as I know,...